docker_commands.txt

Remove all containers for a particular image:
docker ps -a | grep 'nginx:latest' | awk '{print $1}' | xargs docker rm


Remove all stoped containers
docker ps -a | grep 'Exited' | awk '{print $1}' | xargs docker rm


Attach to a running container
docker inspect --format "{{ .State.Pid }}" [container_id]
nsenter --target [pid] --mount --uts --ipc --net --pid

Attach to a given container ( one liner )
name="web-1"; container=`docker ps -a | grep "$name " | awk '{print $1}'`; pid=`docker inspect --format "{{ .State.Pid }}" $container`; nsenter --target $pid --mount --uts --ipc --net --pid


github, check rate limit:
curl -i https://api.github.com/rate_limit?access_token=...


systemctl status -l etcd
journalctl -b -u etcd